Year	Number of Firms
1992-01-01	12
1997-01-01	20
2002-01-01	13
2003-01-01	12
2004-01-01	14
2005-01-01	12
2006-01-01	26
2007-01-01	29
2008-01-01	39
2009-01-01	33
2010-01-01	43
2011-01-01	40
2012-01-01	37
2013-01-01	38
2014-01-01	42
2015-01-01	41
2016-01-01	33